[PATCH] corecrt_wstdio.h: Add new file and use it instead of duplicating declarations in stdio.h and wchar.h.

[Jacek Caban]

Signed-off-by: Jacek Caban <jacek(a)codeweavers.com>
---
  include/msvcrt/corecrt_wstdio.h | 123 ++++++++++++++++++++++++++++++++
  include/msvcrt/stdio.h          | 103 +-------------------------
  include/msvcrt/wchar.h          |  99 +------------------------
  3 files changed, 125 insertions(+), 200 deletions(-)
  create mode 100644 include/msvcrt/corecrt_wstdio.h